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不联网的情况下，怎么控制一个软件的过期不准使用？
source link: https://www.v2ex.com/t/602583
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程序员 - @fileinthehole - 如题，想请教各位业界大佬，一个软件给到客户处，客户不联网，时间不会跟着网络时间更新，根据本地时间的话，他可以私自改动时间导致控制不住，开服务的话，服务也可能被关掉吧。想请教一下有没有什么好的控制方式？
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